High Quality Content by WIKIPEDIA articles! The Gardens of Sallust (Latin: Horti Sallustiani) were Roman gardens developed by the Roman historian Sallust in the 1st century BC. The landscaped pleasure gardens occupied a large area in the northwestern sector of Rome, in what would become Region VI, between the Pincian and Quirinal hills, near the Via Salaria and later Porta Salaria. The modern rione is now known as Sallustiano.